Patent US3976162A successfully refreshed from Google Patents.
US3976162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Personal speaker system
Assignee: Lawrence Peska Associates Inc
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Filing: 1975-04-07
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Granted: 1976-08-24
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Expires: 1995-04-07
Abstract
Abstract An elongated arm having cooperating sections as provided which may be selectively positioned with respect to each other to vary the effective length of the arm. Carried at each end of the arm for pivotal motion is an individual speaker. The assembly is normally carried at the top of the backrest of a chair or car seat position with speakers disposed proximate the ears of a single listener.
Inventors
- 👤 Kenneth R. Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:26
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02; H04R5/023; H04R1/00; H04R1/02; H04R1/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A speaker system comprising: an elongated arm being selectively variable in length, bracket means carried by said arm configured for locking engagement with the generally vertical headrest support post means of an associated automobile; said bracket means being configured for securing said arm to said post means with opposite ends of said arm extending from said post means; and first and second speakers respectively pivotly carried by said opposite ends of said arm.
Claim 2
Dependent Claim
73 words
A speaker system comprising: an elongated arm being selectively variable in length, bracket means carried by said arm configured for locking engagement with the generally vertical headrest support post means of an associated automobile; said bracket means being configured for securing said arm to said post means with opposite ends of said arm extending from said post means; and first and second speakers respectively pivotly carried by said opposite ends of said arm.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-24 | 1980-02-23 | 1980-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-24 | 1984-02-23 | 1984-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-24 | 1988-02-23 | 1988-08-24 | $7700.00 | Window Closed / Lapsed |